APA
Bird D., . (2008). Commonsense direct & digital marketing. London: Kogan Page.
Chicago
Bird Drayton, . 2008. Commonsense direct & digital marketing. London: Kogan Page.
Harvard
Bird D., . (2008). Commonsense direct & digital marketing. London: Kogan Page.
MLA
Bird Drayton, . Commonsense direct & digital marketing. London: Kogan Page. 2008.